Home / 14,246.64-21,340.80-8,385.48

Finding the Fourth Proportional to 14,246.64, 21,340.80 and 8,385.48

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Solution

The fourth proportional to 14,246.64, 21,340.80 and 8,385.48 is: 12,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.64 : 21,340.80 = 8,385.48 : x
  2. Step 2: Convert to fraction form
    14,246.64/21,340.80 = 8,385.48/x
  3. Step 3: Cross multiply
    14,246.64x = 21,340.80 × 8,385.48
  4. Step 4: Simplify right side
    14,246.64x = 178,952,851.58
  5. Step 5: Solve for x
    x = 178,952,851.58/14,246.64
  6. Step 6: Final answer
    x = 12,561.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.